Sometimes, a responsive website looks great on Portrait orientation, but messed up on Landscape. So, a UI Developer wish to disable Landscape orientation for mobile devices (Android & iOS) before getting the website live. Before Viewport meta tag, this is always a challenge to UI Developer to show the website in correct Zoom and also doesn't allow user to Scale the website's content. But nowadays it can be easily fix with viewport. For this viewport meta tag trick please read this article. But you can't disable toggling of landscape/portrait on a mobile web app (Android Browser/iOS-Mobile Safari) through viewport meta…